Pfaff 1540 User Manual download pdf (Page 15)

Feeding system

1. Adjustment of the toothed belt tension

Requirement:

The toothed belt must be so taut that the sewing hook has no play in its direction of rotation.

However, it must be possible to turn the machine easily.

Adjustment:

z Loosen screw 1 (fig. 1)

z Re-position tensioning roller 2 with a screwdriver as required.

z Tighten screw 1.

Check:

z Check adjustment according to the "Requirement".

z Press lightly against the middle of the toothed belt (250 g).

The toothed belt should move forward by some 1 to 3 mm.

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Pfaff 1540 User Manual Page 15